sharpen a pencil; 把铅笔削尖
a pointed chin 尖下巴
scream; 尖叫
in a shrill voice 尖声尖气
have an acute [a sharp] sense of smell; 鼻子尖
have sharp ears; be sharp-eared; 耳朵尖
the point of a knife; 刀尖
the tip of a pencil; 铅笔尖
top-notch; the pick of the bunch 拔尖儿的
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)